The Vaillant priority switching valve with bypass is a high-quality radiator valve specifically designed for use in heating devices such as fan heaters. It enables efficient regulation of the heating water and ensures optimal heat distribution in your heating system. The valve is made from robust plastic and is characterized by its durability and reliability. With model numbers VC 104/4-7 R1 and VC 126/3-5 R3, it is versatile and suitable for various heating systems. The product is manufactured in Germany and meets high quality standards. The delivery includes a priority switching valve with bypass, allowing for easy installation and integration into existing heating systems. This radiator valve is an ideal solution for anyone who values efficient and reliable heating control.